package com.atguigu.day22.refltct05.r2;

public class Student {

    public void show(int a){
        System.out.println("this is show "+a);
    }
    private int sum(int a,int b){
        return a+b;
    }

    public static String concat(String a,String b){
        return a+b;
    }

    private static int  divide(int a,int b){
        return a/b;
    }
}
